Event: Dave Luckin Trophy

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Opponent	Rating	Result
Aarav Ram	1350	1 - 0
Ken R Chamberlain	1611	0 - 1
Zoya Boozorginia	1157	1 - 0
Paul Braithwaite	1190	½ - ½
Peter Tombleson	1248	1 - 0
Hannah Lynes	1488	0 - 1
Olexandra Andronova	1300	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1335 = (9344 + 400 * (3 - 3)) / 7)